//
//  UIView+Layout.m
//  CXDToolKit
//
//  Created by 陈小东 on 15/3/4.
//  Copyright (c) 2015年 ___cxd___. All rights reserved.
//

#import "UIView+Layout.h"
#import <objc/runtime.h>
@implementation UIView (Layout)

- (CGFloat)left{
    return self.frame.origin.x;
}

- (void)setLeft:(CGFloat)x{
    CGRect frame = self.frame;
    frame.origin.x = x;
    self.frame = frame;
}

- (CGFloat)top{
    return self.frame.origin.y;
}

- (void)setTop:(CGFloat)y{
    CGRect frame = self.frame;
    frame.origin.y = y;
    self.frame = frame;
}

- (CGFloat)right{
    return self.frame.origin.x + self.frame.size.width;
}

- (void)setRight:(CGFloat)right{
    CGRect frame = self.frame;
    frame.origin.x = right - frame.size.width;
    self.frame = frame;
}

- (CGFloat)bottom{
    return self.frame.origin.y + self.frame.size.height;
}

- (void)setBottom:(CGFloat)bottom{
    CGRect frame = self.frame;
    frame.origin.y = bottom - frame.size.height;
    self.frame = frame;
}

- (CGFloat)centerX{
    return self.center.x;
}

- (void)setCenterX:(CGFloat)centerX{
    self.center = CGPointMake(centerX, self.center.y);
}

- (CGFloat)centerY{
    return self.center.y;
}

- (void)setCenterY:(CGFloat)centerY{
    self.center = CGPointMake(self.center.x, centerY);
}

- (CGFloat)width{
    return self.frame.size.width;
}

- (void)setWidth:(CGFloat)width{
    CGRect frame = self.frame;
    frame.size.width = width;
    self.frame = frame;
}

- (CGFloat)height{
    return self.frame.size.height;
}

- (void)setHeight:(CGFloat)height{
    CGRect frame = self.frame;
    frame.size.height = height;
    self.frame = frame;
}

- (CGFloat)screenX{
    CGFloat x = 0.0f;
    for (UIView* view = self; view; view = view.superview){
        x += view.left;
    }
    return x;
}

- (CGFloat)screenY{
    CGFloat y = 0.0f;
    for (UIView* view = self; view; view = view.superview){
        y += view.top;
    }
    return y;
}

- (CGFloat)screenViewX{
    CGFloat x = 0.0f;
    for (UIView* view = self; view; view = view.superview){
        x += view.left;
        
        if ([view isKindOfClass:[UIScrollView class]]){
            UIScrollView* scrollView = (UIScrollView*)view;
            x -= scrollView.contentOffset.x;
        }
    }
    
    return x;
}

- (CGFloat)screenViewY{
    CGFloat y = 0;
    for (UIView* view = self; view; view = view.superview){
        y += view.top;
        
        if ([view isKindOfClass:[UIScrollView class]]){
            UIScrollView* scrollView = (UIScrollView*)view;
            y -= scrollView.contentOffset.y;
        }
    }
    return y;
}

- (CGRect)screenFrame{
    return CGRectMake(self.screenViewX, self.screenViewY, self.width, self.height);
}


- (CGPoint)origin{
    return self.frame.origin;
}

- (void)setOrigin:(CGPoint)origin{
    CGRect frame = self.frame;
    frame.origin = origin;
    self.frame = frame;
}

- (CGSize)size{
    return self.frame.size;
}

- (void)setSize:(CGSize)size{
    CGRect frame = self.frame;
    frame.size = size;
    self.frame = frame;
}

- (CGFloat)orientationWidth{
    return UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)
    ? self.height : self.width;
}

- (CGFloat)orientationHeight{
    return UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)
    ? self.width : self.height;
}

- (CGPoint)offsetFromView:(UIView*)otherView{
    CGFloat x = 0.0f, y = 0.0f;
    for (UIView* view = self; view && view != otherView; view = view.superview){
        x += view.left;
        y += view.top;
    }
    return CGPointMake(x, y);
}

@end

@implementation UIView (SubViews)

- (void)addSubviewWithFadeAnimation:(UIView *)subview{
    CGFloat finalAlpha = subview.alpha;
    subview.alpha = 0.0;
    [self addSubview:subview];
    [UIView animateWithDuration:0.2 animations:^{
        subview.alpha = finalAlpha;
    }];
}

@end
